CN2125111U - Wood drier by side ventilator aluminium inner shell steam heating - Google Patents

Abstract

The utility model relates to a wood drier by side ventilator aluminum inner shell steam heating, which comprises a shell body, a ventilation system, a heating system, a carrying system and a control system. The shell body is a multi-layer mixed structure composed of a brick outer shell, a heat-insulating layer, a reinforced concrete partition board, an air layer and an aluminum inner shell. The ventilation adopts a suspended wall axis series with multiple axial-flow ventilation fans, an air inlet is arranged between two ventilation fans and on the side wall of one side of the ventilation fans, and an air outlet is arranged on one end of the side wall on the opposite ventilation fan. The control system adopts centralized control. The utility model has the advantages of favorable effect, short drying time, high drying quality, less energy consumption and low cost.

Description

Wood drier by side ventilator aluminium inner shell steam heating

The utility model is a kind of wood processing equipment, crosswind machine aluminium inner casing Steam Heating wood drying kiln.

Present existing wood drying kiln mostly is greatly, and the branch blower fan is positioned at yard height middle part and blower fan is positioned at two types of yard height Lower Halves; Shell structure has brick concrete shell or metal shell, and the housing of these two kinds of structures all exists certain shortcoming.The former is relatively poor on performances such as airtight, insulation and anticorrosion, has a strong impact on the service life of drying process, dry mass and equipment, and energy consumption is big, drying cost is higher.The latter's cost height generally needs factory building to go along with sb. to guard him, and invests bigger; On inlet and outlet road structure, domestic employing is arranged on the inlet and outlet road in the front and back side wall of every typhoon machine, and resistance is bigger, and effect is relatively poor, makes the wind speed profile at each position of yard inhomogeneous.From outdoor suction fresh air, temperature is lower in addition.Abroad this is improved to some extent in recent years, exhaust outlet is opened side at hothouse, but be unfavorable for many between being arranged in parallel of hothouse, also need adopt cover plate deadweight by-pass cock, occur malfunctioning sometimes; On air dynamic behaviour, the blower fan plane No. that existing hothouse adopts is less, or rotating speed is lower, or the distance between many typhoons machine is bigger, it is reasonable inadequately to add in the structure in inlet and outlet road and the configuration, causes the air-flow circulation on yard height and the length uneven, and wind speed is less, even almost immobilising dead band is arranged, influence drying time and uniform drying degree; Being common single-speed motor on motor configurations is not variable-speed motor, and it is more therefore to consume energy; On the capacity of carrying, the domestic monorail that is, single-row yard, useful load is little; The highest 2.6m of yard height, external the highest 3m, but the yard width only is 1.5m, and narrow and high, and delivery is unstable.In a word, domestic and international existing crosswind type wood drying kiln, structure is unreasonable, and performance is good inadequately, and the big efficient of energy consumption is not high, does not satisfy the needs of the drying of wood.

The purpose of this utility model be to propose a kind of rational in infrastructure, energy consumption is low, the Functionality, quality and appealing design of desiccated wood, output height, short novel timber hothouse of cycle are crosswind aluminium inner casing Steam Heating wood drying kiln.

Major technique content of the present utility model is that this wood drying kiln is made up of housing, ventilating system, heating system, delivery system, control system.Housing is provided with reinforced concrete canopy, top cover exceeds hothouse ceiling certain distance, spread with insulation material above the ceiling as heat-insulation layer, housing is a multistory masonry structure, divide 5 layers, ecto-entad is respectively, brick setting shell, heat-insulation layer, armored concrete dividing plate, air layer and aluminium inner casing are fixed with support.

Ventilating system is made up of blower fan, running part, air intake duct, exhaust duct; Blower fan adopts the propeller fan of multi fan medium speed, be placed on the Lower Half of yard sidepiece and yard height, fan blade is installed on the cantilevered axle, and bearing is placed on outdoor, by V belt transmission blower fan, dispose the general 3-5 platform of length of the visual hothouse of quantity of blower fan with variable speed electric motors, particularly; Air intake duct is located at the sidewall of blower fan one side for the garden cartridge type, and between the two typhoon machines, internal orifice leads to the indoor fan negative pressuren zone, and the air intake duct collar extension leads between management, by between management to indoor absorption fresh air; Exhaust duct is located at the top of blower fan opposite side wall one end, by sidewall or end wall opening from inside to outside, with being contained in indoor cover-plate type valve gauge tap, regulates air inflow;

Heating system is made up of heater and steam spray pipe, and heater system uses around chip and combines, and at hothouse both sides sidewall side heaters is installed laterally respectively, is positioned at the middle part of side air flue height, and intermediate heater longitudinally is installed between the biserial yard.Steam spray pipe is located at the front of blower fan.

Delivery system is made up of material containing car and track, and the timber that is dried piles yard, is loaded on the material containing car, transports by track, and 4 tracks are set in the hothouse, and two plate tracks constitute a path;

Control system, hothouse is set up switch board, centralized Control motor and thermometric instrument.

Technique effect of the present utility model is, this crosswind machine aluminium inner casing Steam Heating wood drying kiln, owing to adopted multilayer mixed shell body structure, therefore have the two advantage of brick housing and metal shell concurrently, it is best airtight that the housing of hothouse is had, insulation, Corrosion Protection, can fully guarantee the requirement of drying process, and transportation, easy construction, save steel, reduce investment outlay.

The present invention on airflow circulating system selects the propeller fan of the high symmetric form of efficient for use owing to taked the scheme of " multi fan medium speed ", has improved the structure and the configuration of entering and exhaust channel, has improved air-flow circulation rate and evenly distribution in the yard.This crosswind machine aluminium inner casing Steam Heating wood drying kiln of test by reality is than existing SYM80-2 type crosswind machine wood drying kiln, and it is high many that yard air-flow circulation rate is wanted, and sees following table for details.

The utility model and existing SYM80-2 type crosswind machine wood drying kiln yard air-flow circulation rate comparison sheet:

As seen no matter yard air-flow circulation is on the wind speed size, or on evenly distributing, all superior than old-fashioned significantly.

Employing cantilevered axle system, bearing is placed on the outside of hothouse, works at normal temperatures, long service life, easy to maintenance.The heating surface (area) (HS ratio that adopts is reasonable, and medium temperature can be up to 130 ℃ (upstream chamber type generally can 80 ℃), and programming rate is fast.Between the biserial yard, set up intermediate heater, can receive the even distribution that improves temperature, made the indoor temperature difference drop to minimum degree (about 5 ℃), remedied upstream chamber type defective in this respect.

Except that adopting corrosion resistant aluminium inner casing and cast aluminium alloy draught fan impeller, all steel and iron parts all adopt the alitizing technical measures, both can make to be increased to service life more than 10 years, can increase the intensity and the stiffness of material again in the hothouse.So replace aluminium section bar or stainless steel, can save precious materials and investment greatly, equipment manufacturing cost is reduced with the aluminising part.

The inlet and outlet road is compared with old chamber type and is improved to some extent, and promptly air intake duct is located near the blower fan side, and air flue one end opening leads to the blower fan negative pressuren zone, and other end opening leads between management, by the management between to indoor absorption fresh air.Exhaust duct is arranged on the housing one end top of blower fan opposite one side, and directly outside opening with cover-plate type valve gauge tap, is regulated capacity.This inlet and outlet road, simple in structure, close tightly, handiness, effect is fine.

Take specific process to support to the aluminium sheet inwall, connect and welding, rivet is not revealed in not eyelet work of surface, waterproof vapour.To the gate, the inlet and outlet road, blower fan axle and jet chimney etc. pass housing, have all taked tight and effective airtight technical measures, and obturation effect is good.When dry-bulb temperature was elevated to more than 100 ℃, wet-bulb temperature can reach or near 100 ℃, and can stable maintenance, was enough to explanation.

Replace common single speed motor with variable-speed motor.Use at a high speed at the later stage of drying use low speed at the early stage of drying.Guaranteeing to save electric energy 30%, dry every m under same rate of drying and the dry mass ³Timber can economize on electricity about 10 the degree.With replacing the cast iron heat exchanger made with cast iron ribbed pipe around plate heater, heating surface is selected for use appropriately, and heating surface reduces about 35% than old-fashioned chamber type; The air-flow circulation rate is higher, and the heater heat transfer coefficient increases; Hothouse double-layer heat insulation (heat-insulation layer and air layer), the housing heat transfer coefficient is little; And the hothouse obturation effect is good or the like, and it is more remarkable to save thermal energy consumption, can save 30% approximately.

The utility model drying of wood has novel structure, and layout is appropriate, capacity is big, volumetric efficiency high (0.47).Technical performance is good, and drying time is short, the dry mass height, and consumed energy is few, and drying cost is low, can satisfy the timber of various uses, and the particularly requirement of hard broad-leaved wood drying is applicable to the needs of wood processing enterprise.Cheap, lower by 5/6 than import like product, want high 1/5(temperature higher on bole output, air dynamic behaviour is better) energy resource consumption can reduce 30%, and drying cost can reduce by 1/4.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is that the structural representation of the utility model housing becomes;

Fig. 3 is the structural representation of the utility model blower fan and transmission system;

Fig. 4 is the structural representation of the utility model air intake duct;

Fig. 5 is the structural representation of the utility model exhaust duct;

Fig. 6 is that the utility model gate structure schematic diagram is prominent;

1 top cover, 2 housings, 3 propeller fans, 4 bearings, 5 motor, 6 air intake ducts, 7 exhaust ducts, 8 side heaters, 9 intermediate heaters, 10 hothouse gates, 11 inspection sockets, 12 yards, 13 material containing cars, 14 tracks, 15 brick setting shells, 16 heat-insulation layers, 17 armored concrete dividing plates, 18 air layers, 19 aluminium inner casings, 20 supports, 21 fan blades, 22 axial fan hubs, 23 cantilevered axle, 24 belt pulleys, 25 V belts, 26 air intake duct collar extensions, 27 handles, 28 butterfly valves, 29 air intake duct housings, 30 internal orifices, 31 exhaust duct housings, 32 pulleys, 33 pull bars, 34 cover-plate type valves, 35 ropes, 36 hand wheel handles, 37 gate door leafs, 38 spiral compactors.

Realize preferred plan of the present utility model as shown in the figure, this crosswind machine aluminium inner casing Steam Heating wood drying kiln, by housing ventilating system, heating system, delivery system, control system are formed; Housing is provided with reinforced concrete canopy 1, top cover exceeds hothouse ceiling certain distance, guarantee for a person given by a shopkeeper's adiabator is as heat-insulation layer on ceiling, the structure of housing as shown in Figure 2, be multistory masonry structure, be divided into 5 layers, ecto-entad is respectively, brick setting shell 15, heat-insulation layer 16, armored concrete dividing plate 17, air layer 18, aluminium inner casing 19, fixing by support 20; Housing has the gate, as shown in Figure 6, gate door leaf 37 is made by metal material for bivalve door, internal layer is an aluminium sheet, and skin is a steel plate, and insulation material is filled out in the centre, have inspection socket 11 on the gate, so that send inspection panel and the observation ward's inner drying situation of getting, after two fan door pass closures are tight, compress with spiral compactor 38 respectively at two sides and centre joint place.

Ventilating system is by blower fan, and running part, air intake duct, exhaust duct are formed; The structure of blower fan and transmission system is shown in 3, blower fan is a propeller fan 3, be placed on the Lower Half of yard 12 sidepieces and yard height, fan blade 21 is installed on the cantilevered axle 23, and bearing 4 is placed on outdoor use variable speed electric motors, particularly 5 by V belt 25 transmission propeller fans 3.The quantity of propeller fan is decided on the length of hothouse, general 3-5 platform; Air intake duct 6 is illustrated in figure 4 as the garden tubular, if between the sidewall of blower fan one side, the two typhoon machines, its internal orifice 30 leads to the indoor fan negative pressuren zone, air intake duct collar extension 26 lead between management by between management to indoor absorption fresh air, with butterfly valve 28 gauge taps, regulate air inflow; Exhaust duct 7 is illustrated in figure 5 as rectangle, is located at the top of blower fan opposite side wall one end, by sidewall or end wall opening from inside to outside, with being contained in indoor cover-plate type valve 34 gauge taps, regulates air inflow.When blower fan starts, Lower Half by yard is drawn air, air-flow upwards flows into the first half of yard through the side air flue between blower fan and the sidewall, by yard after the side air flue between blower fan opposite, yard and the sidewall to the Lower Half that flows into yard, flows to blower fan again.So getting off, it is past to go up, and forms air-flow and passes the yard reciprocation cycle.Open or beat big air intake duct in case of necessity, open or beat big exhaust duct simultaneously, suck the part fresh air, discharge section waste gas makes the hothouse ventilation simultaneously, regulates temperature, the degree of air.

Heating system is made up of heater and steam spray pipe, and heater is used around the chip pipe and combined, and at hothouse two avris side heaters 8 is installed laterally respectively, is positioned at the middle part of side air flue height; Intermediate heater 9 longitudinally is installed between the biserial yard.Indoor air flow is before or after reversing current is crossed yard, and reversing current is crossed side heaters and intermediate heater, and steam spray pipe is located at the front of blower fan, is promptly drawn by blower fan behind the ejection steam, is convenient to mix mutually with air-flow.Utilize heater and steam spray pipe that drying medium is heated and temperature adjustment.

Delivery system piles yard 12 with the timber that is dried, and is loaded on the material containing car 13, transports or transport hothouse by track 14.4 tracks are set in every hothouse, and per two tracks constitute a path, become double-rail track circuit.

Control system adopts hothouse to set up switch board, centralized Control motor and humiture instrument.

The using method of this equipment is, after hothouse installs, trys out earlier, comprises motor, blower fan, heater, instrument etc., and operation is no less than 4 hours continuously, comes into operation after confirming to meet the requirements.Earlier the timber that is dried is piled yard, before yard is entered the room, start heater and blower fan earlier, hothouse is given heat, then yard is transported hothouse, shut the gate, start.Open blower fan simultaneously, heating and steam spray pipe carry out preheating to timber.Carry out drying according to selected drying schedule then, until moisture content being dried to the degree that requires.Through drawing off yard in dry run after final processing and the Balance Treatment, carry out intermediate treatment in case of necessity, in addition at the early stage of drying, motor runs up, and the later stage of drying transfers to low-speed running.

Claims (1)

1, a kind of crosswind machine aluminium inner casing Steam Heating wood drying kiln, form by housing, ventilating system, heating system, delivery system, control system, it is characterized in that, housing is provided with that reinforced concrete canopy, top cover exceed hothouse ceiling certain distance, guarantee for a person given by a shopkeeper's adiabator is made heat-insulation layer above the ceiling, housing is a multistory masonry structure, divides 5 layers, and ecto-entad is respectively brick setting shell, heat-insulation layer, armored concrete dividing plate, air layer and aluminium inner casing are fixed with support; Ventilating system is made up of blower fan, running part, air intake duct, exhaust duct, blower fan adopt the multi fan medium speed the axial flow ventilator, be placed on the Lower Half of yard sidepiece and yard height, fan blade is installed on the cantilevered axle, bearing is placed on outdoor, pass through V belt transmission blower fan with variable speed electric motors, particularly, the length of the visual hothouse of quantity of configuration blower fan, general 3-5 platform; Air intake duct is located between the sidewall, two typhoon machines of blower fan one side for the garden cartridge type, and internal orifice leads to the indoor fan negative pressuren zone, and the air intake duct collar extension leads between management, by between management to indoor absorption fresh air; Exhaust duct is located at the top of blower fan opposite side wall one end, by sidewall or end wall opening from inside to outside, with being contained in indoor cover-plate type valve gauge tap, regulates air inflow; Heating system is made up of heater and steam spray pipe, heater is laterally installed side heaters for to combine around chip respectively at hothouse both sides sidewall, is positioned at the middle part of side air flue height, intermediate heater longitudinally is installed between the biserial yard, and steam spray pipe is located at the front of blower fan; Delivery system is made up of material containing car and track, and hothouse is by establishing 4 tracks; Control system adopts in the hothouse and sets up switch board, centralized Control motor and humiture degree instrument.

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